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Tex-Mex Summer Squash Casserole Recipe

Tex-Mex Summer Squash Casserole Recipe

Mild-flavored yellow squash gets a big boost from flavor-packed chilies, jalapenos and red onion. This side dish also works with zucchini. —Tommy Lombardo, Euclid, Ohio
TOTAL TIME: Prep: 15 min. Bake: 40 min. + standing YIELD:10 servings


  • 7 medium yellow summer squash, sliced (about 10 cups)
  • 2-1/4 cups shredded cheddar cheese, divided
  • 1 medium onion, chopped
  • 1 can (4 ounces) chopped green chilies
  • 1 can (4 ounces) diced jalapeno peppers, drained
  • 1/4 cup all-purpose flour
  • 1/2 teaspoon salt
  • 3/4 cup salsa
  • 4 green onions, sliced
  • 1/4 cup chopped red onion


  • 1. Preheat oven to 400°. In a large bowl, combine squash, 3/4 cup cheese, onion, chilies and jalapenos. Sprinkle with flour and salt; toss to combine.
  • 2. Transfer to a greased 13x9-in. baking dish. Bake, covered, 30-40 minutes or until squash is tender.
  • 3. Spoon salsa over top; sprinkle with remaining 1-1/2 cups cheese. Bake, uncovered, 10-15 minutes longer or until golden brown. Let stand 10 minutes. Top with green and red onions before serving. Yield: 10 servings.

Nutritional Facts

3/4 cup: 143 calories, 8g fat (5g saturated fat), 27mg cholesterol, 420mg sodium, 12g carbohydrate (5g sugars, 2g fiber), 8g protein.

Reviews for Tex-Mex Summer Squash Casserole

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Reviewed Jun. 20, 2016

"I halved the recipe and used fresh jalapeno instead of canned. I only used 1 tsp flour because I try to keep calories to a minimum. Delicious. Next time I will cut down on the baking time to 20 minutes to keep the squash crisp tender before putting on the salsa and cheese. This is one of those recipes that can be adjusted suit individual tastes. Adding sausage or chicken would make this a very nice main dish."

Reviewed Jun. 16, 2016

"I mixed in crushed saltine crackers and put some on top. It was really good."

Reviewed Oct. 25, 2015

"I was so excited to try this after reading the reviews, but for some reason, my hubby and I didn't like it. It was kinda mushy, and the flavors just seemed to mesh together-no layers of flavor."

Reviewed Jul. 20, 2015

"I've made this recipe several times and everyone who tastes it wants the recipe. I added 1/2 browned sausage and 1 can of diced tomatoes with green chiles, drained, to the recipe which made it a complete meal. I've also used a combination of yellow squash and zucchini. It's hard to go wrong with this recipe."

Reviewed Jul. 16, 2015

"Wonderful! I seeded the squash and left out the jalapenos, as I added jalapeno stuffed sausage to make it a complete meal. It was somewhat watery, but not too bad. We ate it cold for lunch the next day. It tasted even better cold, and also had thickened up. We enjoyed this dish!"

Reviewed Jul. 15, 2015

"This is also the perfect one dish meal by using a deep 9x13 baking dish and adding about 4 cups of shredded chicken or about 11/2 lbs of seasoned cooked and crumbled ground beef. Also I add 1 regular sized can of olives halved the speedy way by placing them on an inverted plastic container lid then topping them with another lid of the same size and running a knife between them. I fire roast my green chilies on the stove top and add probably more then the equivalent of a 4 oz can of them chopped and add some in the mix and on top, the more the better. I sub the jalapenos for 3 or 4 diced fresh Serrano peppers and for seasoning I add about 1 Tb of my own blend of taco seasoning mix. This makes enough for the 2 of us to have left overs the next night but certainly nowhere near 10 servings."

Reviewed Jul. 7, 2015

"This was tasty and very easy to prepare. I deviated a bit from the recipe in that I did not add the jalape?os nor the red onions. Based on the other reviews concerning the wateriness, I also seeded the squash and the resulting dish was not watery. I will keep this in my rotation of summer squash recipes."

Reviewed Aug. 15, 2014

"Very good recipe. I loved it !!!"

Reviewed Jul. 15, 2014

"Tried this recipe. Did not put all the peppers or hot spices because my husband has to stay away from spicy food. Just used the squash, flour, salsa, and I used mozzarella and cheddar shredded cheese. Was delicious and a quick fix meal."

Reviewed Jul. 13, 2014

"I read some reviews indicating that it's "watery". This is what I did to eliminate that problem. I made only a half-recipe, but used the full amount of flour instead of reducing it by half. The consistency was excellent! My family really liked this. A change I'll try next time is to reduce the amount of jalapeños."

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